Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492769 | Electron emitting device, electron source, image forming apparatus and producing methods of them | Takashi Iwaki | 2002-12-10 |
| 6416374 | Electron source manufacturing method, and image forming apparatus method | Masanori Mitome, Masato Yamanobe, Fumio Kishi | 2002-07-09 |